# RUN: llc -o - %s -mtriple=aarch64-windows -start-after=prologepilog \
# RUN: -disable-branch-fold -filetype=obj \
# RUN: | llvm-readobj --unwind - | FileCheck %s
# Check that identical multiple epilgoues are correctly shared in .xdata.
# CHECK: ExceptionData {
# CHECK-NEXT: FunctionLength: 164
# CHECK-NEXT: Version: 0
# CHECK-NEXT: ExceptionData: No
# CHECK-NEXT: EpiloguePacked: No
# CHECK-NEXT: EpilogueScopes: 2
# CHECK-NEXT: ByteCodeLength: 16
# CHECK-NEXT: Prologue [
# CHECK-NEXT: 0xc80c ; stp x19, x20, [sp, #96]
# CHECK-NEXT: 0xc88a ; stp x21, x22, [sp, #80]
# CHECK-NEXT: 0xc908 ; stp x23, x24, [sp, #64]
# CHECK-NEXT: 0xc986 ; stp x25, x26, [sp, #48]
# CHECK-NEXT: 0xca04 ; stp x27, x28, [sp, #32]
# CHECK-NEXT: 0xd802 ; stp d8, d9, [sp, #16]
# CHECK-NEXT: 0xda8d ; stp d10, d11, [sp, #-112]!
# CHECK-NEXT: 0xe4 ; end
# CHECK-NEXT: ]
# CHECK-NEXT: EpilogueScopes [
# CHECK-NEXT: EpilogueScope {
# CHECK-NEXT: StartOffset: 16
# CHECK-NEXT: EpilogueStartIndex: 0
# CHECK-NEXT: Opcodes [
# CHECK-NEXT: 0xc80c ; ldp x19, x20, [sp, #96]
# CHECK-NEXT: 0xc88a ; ldp x21, x22, [sp, #80]
# CHECK-NEXT: 0xc908 ; ldp x23, x24, [sp, #64]
# CHECK-NEXT: 0xc986 ; ldp x25, x26, [sp, #48]
# CHECK-NEXT: 0xca04 ; ldp x27, x28, [sp, #32]
# CHECK-NEXT: 0xd802 ; ldp d8, d9, [sp, #16]
# CHECK-NEXT: 0xda8d ; ldp d10, d11, [sp], #112
# CHECK-NEXT: 0xe4 ; end
# CHECK-NEXT: ]
# CHECK-NEXT: }
# CHECK-NEXT: EpilogueScope {
# CHECK-NEXT: StartOffset: 33
# CHECK-NEXT: EpilogueStartIndex: 0
# CHECK-NEXT: Opcodes [
# CHECK-NEXT: 0xc80c ; ldp x19, x20, [sp, #96]
# CHECK-NEXT: 0xc88a ; ldp x21, x22, [sp, #80]
# CHECK-NEXT: 0xc908 ; ldp x23, x24, [sp, #64]
# CHECK-NEXT: 0xc986 ; ldp x25, x26, [sp, #48]
# CHECK-NEXT: 0xca04 ; ldp x27, x28, [sp, #32]
# CHECK-NEXT: 0xd802 ; ldp d8, d9, [sp, #16]
# CHECK-NEXT: 0xda8d ; ldp d10, d11, [sp], #112
# CHECK-NEXT: 0xe4 ; end
# CHECK-NEXT: ]
# CHECK-NEXT: }
# CHECK-NEXT: ]
# CHECK-NEXT: }
...
---
name: test
alignment: 4
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
failedISel: false
tracksRegLiveness: true
hasWinCFI: true
registers:
liveins:
- { reg: '$w0', virtual-reg: '' }
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 112
offsetAdjustment: 0
maxAlignment: 8
adjustsStack: false
hasCalls: false
stackProtector: ''
maxCallFrameSize: 0
hasOpaqueSPAdjustment: true
hasVAStart: false
hasMustTailInVarArgFunc: false
localFrameSize: 0
savePoint: ''
restorePoint: ''
fixedStack:
stack:
- { id: 0, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$x19', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 1, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$x20', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 2, name: '', type: spill-slot, offset: -24, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$x21', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 3, name: '', type: spill-slot, offset: -32, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$x22', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 4, name: '', type: spill-slot, offset: -40, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$x23', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 5, name: '', type: spill-slot, offset: -48, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$x24', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 6, name: '', type: spill-slot, offset: -56, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$x25', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 7, name: '', type: spill-slot, offset: -64, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$x26', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 8, name: '', type: spill-slot, offset: -72, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$x27', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 9, name: '', type: spill-slot, offset: -80, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$x28', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 10, name: '', type: spill-slot, offset: -88, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$d8', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 11, name: '', type: spill-slot, offset: -96, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$d9', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 12, name: '', type: spill-slot, offset: -104, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$d10', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 13, name: '', type: spill-slot, offset: -112, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$d11', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
constants:
body: |
bb.0.entry:
successors: %bb.2(0x40000000), %bb.1(0x40000000)
liveins: $x0, $x1, $d0, $d1, $d10, $d11, $d8, $d9, $x27, $x28, $x25, $x26, $x23, $x24, $x21, $x22, $x19, $x20
early-clobber $sp = frame-setup STPDpre killed $d10, killed $d11, $sp, -14 :: (store (s64) into %stack.12), (store (s64) into %stack.13)
frame-setup SEH_SaveFRegP_X 10, 11, -112
frame-setup STPDi killed $d8, killed $d9, $sp, 2 :: (store (s64) into %stack.10), (store (s64) into %stack.11)
frame-setup SEH_SaveFRegP 8, 9, 16
frame-setup STPXi killed $x27, killed $x28, $sp, 4 :: (store (s64) into %stack.8), (store (s64) into %stack.9)
frame-setup SEH_SaveRegP 27, 28, 32
frame-setup STPXi killed $x25, killed $x26, $sp, 6 :: (store (s64) into %stack.6), (store (s64) into %stack.7)
frame-setup SEH_SaveRegP 25, 26, 48
frame-setup STPXi killed $x23, killed $x24, $sp, 8 :: (store (s64) into %stack.4), (store (s64) into %stack.5)
frame-setup SEH_SaveRegP 23, 24, 64
frame-setup STPXi killed $x21, killed $x22, $sp, 10 :: (store (s64) into %stack.2), (store (s64) into %stack.3)
frame-setup SEH_SaveRegP 21, 22, 80
frame-setup STPXi killed $x19, killed $x20, $sp, 12 :: (store (s64) into %stack.0), (store (s64) into %stack.1)
frame-setup SEH_SaveRegP 19, 20, 96
frame-setup SEH_PrologEnd
frame-setup CFI_INSTRUCTION def_cfa_offset 112
frame-setup CFI_INSTRUCTION offset $w19, -8
frame-setup CFI_INSTRUCTION offset $w20, -16
frame-setup CFI_INSTRUCTION offset $w21, -24
frame-setup CFI_INSTRUCTION offset $w22, -32
frame-setup CFI_INSTRUCTION offset $w23, -40
frame-setup CFI_INSTRUCTION offset $w24, -48
frame-setup CFI_INSTRUCTION offset $w25, -56
frame-setup CFI_INSTRUCTION offset $w26, -64
frame-setup CFI_INSTRUCTION offset $w27, -72
frame-setup CFI_INSTRUCTION offset $w28, -80
frame-setup CFI_INSTRUCTION offset $b8, -88
frame-setup CFI_INSTRUCTION offset $b9, -96
frame-setup CFI_INSTRUCTION offset $b10, -104
frame-setup CFI_INSTRUCTION offset $b11, -112
$x19 = ADDXrr $x0, killed $x1
$d8 = FADDDrr killed $d0, $d1
$d9 = FADDDrr $d8, $d1
$d10 = FADDDrr $d9, $d8
$d11 = FADDDrr killed $d9, $d10
$x20 = SUBSXrr $x19, killed $x0, implicit-def $nzcv
Bcc 1, %bb.2, implicit killed $nzcv
B %bb.1
bb.1:
liveins: $x19, $x20
$x21 = ADDXrr $x20, killed $x19
$x22 = ADDXrr $x21, killed $x20
$x23 = ADDXrr $x22, killed $x21
$x24 = ADDXrr $x23, killed $x22
$x25 = ADDXrr $x24, killed $x23
$x26 = ADDXrr $x25, killed $x24
$x27 = ADDXrr $x26, killed $x25
$x28 = ADDXrr $x27, killed $x26
$x0 = COPY $x28
frame-destroy SEH_EpilogStart
$x19, $x20 = frame-destroy LDPXi $sp, 12 :: (load (s64) from %stack.0), (load (s64) from %stack.1)
frame-destroy SEH_SaveRegP 19, 20, 96
$x21, $x22 = frame-destroy LDPXi $sp, 10 :: (load (s64) from %stack.2), (load (s64) from %stack.3)
frame-destroy SEH_SaveRegP 21, 22, 80
$x23, $x24 = frame-destroy LDPXi $sp, 8 :: (load (s64) from %stack.4), (load (s64) from %stack.5)
frame-destroy SEH_SaveRegP 23, 24, 64
$x25, $x26 = frame-destroy LDPXi $sp, 6 :: (load (s64) from %stack.6), (load (s64) from %stack.7)
frame-destroy SEH_SaveRegP 25, 26, 48
$x27, $x28 = frame-destroy LDPXi $sp, 4 :: (load (s64) from %stack.8), (load (s64) from %stack.9)
frame-destroy SEH_SaveRegP 27, 28, 32
$d8, $d9 = frame-destroy LDPDi $sp, 2 :: (load (s64) from %stack.10), (load (s64) from %stack.11)
frame-destroy SEH_SaveFRegP 8, 9, 16
early-clobber $sp, $d10, $d11 = frame-destroy LDPDpost $sp, 14 :: (load (s64) from %stack.12), (load (s64) from %stack.13)
frame-destroy SEH_SaveFRegP_X 10, 11, -112
frame-destroy SEH_EpilogEnd
RET_ReallyLR implicit $x0
bb.2:
liveins: $d11
$x0 = COPY $d11
$x0 = ADDXrr $x0, $x0
frame-destroy SEH_EpilogStart
$x19, $x20 = frame-destroy LDPXi $sp, 12 :: (load (s64) from %stack.0), (load (s64) from %stack.1)
frame-destroy SEH_SaveRegP 19, 20, 96
$x21, $x22 = frame-destroy LDPXi $sp, 10 :: (load (s64) from %stack.2), (load (s64) from %stack.3)
frame-destroy SEH_SaveRegP 21, 22, 80
$x23, $x24 = frame-destroy LDPXi $sp, 8 :: (load (s64) from %stack.4), (load (s64) from %stack.5)
frame-destroy SEH_SaveRegP 23, 24, 64
$x25, $x26 = frame-destroy LDPXi $sp, 6 :: (load (s64) from %stack.6), (load (s64) from %stack.7)
frame-destroy SEH_SaveRegP 25, 26, 48
$x27, $x28 = frame-destroy LDPXi $sp, 4 :: (load (s64) from %stack.8), (load (s64) from %stack.9)
frame-destroy SEH_SaveRegP 27, 28, 32
$d8, $d9 = frame-destroy LDPDi $sp, 2 :: (load (s64) from %stack.10), (load (s64) from %stack.11)
frame-destroy SEH_SaveFRegP 8, 9, 16
early-clobber $sp, $d10, $d11 = frame-destroy LDPDpost $sp, 14 :: (load (s64) from %stack.12), (load (s64) from %stack.13)
frame-destroy SEH_SaveFRegP_X 10, 11, -112
frame-destroy SEH_EpilogEnd
RET_ReallyLR implicit $x0
...